/* 基础样式 */input[type="email"]:focus, .btn-outline-primary {
    color: #007bff;
    border-color: #007bff;
}

.btn-outline-primary:hover {
    background-color: #007bff;
    color: white;
}

input[type="text"]:focus, 
input[type="password"]:focus, 
input[type="number"]:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-attachment: fixed;
    min-height: 100vh;
}

.card {
    border-radius: 1rem;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
}

h1 {
    text-align: center;
    color: #333;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #495057;
}

input[type="email"], 
input[type="text"], 
input[type="password"], 
input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ced4da;
    border-radius: 0.5rem;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* 按钮样式 */
button {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn-success {
    background-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-warning {
    background-color: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background-color: #e0a800;
}

.message {
    padding: 12px;
    margin: 10px 0;
    border-radius: 0.5rem;
    font-size: 0.9rem;
}

.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.countdown {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 5px;
}

/* 登录页面容器样式 */
.account-container {
    max-width: 500px;
    max-height: 400px;
}

/* 表单容器样式 */
.form-container {
    display: none;
}

.form-container.active {
    display: block;
}

/* 正方形卡片样式 */
.square-card {
    width: 50vmin;
    height: 50vmin;
    max-width: 400px;
    display: flex;
    flex-direction: column;
}

.square-card .card-header {
    flex: 0 0 auto;
}

.square-card .card-body {
    flex: 1 1 auto;
    overflow-y: auto;
}

/* PC端卡片样式 */
.pc-card {
    width: 100%;
    max-width: 450px;
    border: none;
    border-radius: 10px;
}

.pc-card .card-header {
    border-radius: 10px 10px 0 0 !important;
    padding: 20px;
}

.pc-card .card-body {
    padding: 30px;
}

.pc-card .form-label {
    font-weight: 500;
    margin-bottom: 8px;
}

.pc-card .form-control-lg {
    padding: 12px 15px;
    font-size: 16px;
    border-radius: 6px;
}

.pc-card .btn-lg {
    padding: 12px;
    font-size: 16px;
    border-radius: 6px;
}

.pc-card .input-group .btn-lg {
    padding: 12px 20px;
}

/* 密码显示/隐藏按钮样式 */
.toggle-password {
    border: 1px solid #ced4da;
    background-color: #fff;
    color: #6c757d;
    cursor: pointer;
    transition: all 0.3s;
    height: calc(1.5em + (12px + 1px) * 2); /* 匹配form-control-lg的高度 */
    padding: 12px 20px;
}

.toggle-password:hover {
    background-color: #e9ecef;
    color: #495057;
}

/* 大尺寸密码显示/隐藏按钮样式 */
.input-group .btn-lg.toggle-password {
    height: calc(1.5em + (12px + 1px) * 2 + 2px); /* 匹配form-control-lg的高度 */
    padding: 12px 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card {
        border-radius: 0;
        margin: 0;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .card-header {
        border-radius: 0;
    }
}